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<FONT color="green">001</FONT>    package maze.gui.mazeeditor;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.awt.Graphics2D;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.awt.Point;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.awt.Rectangle;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.Set;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.util.TreeSet;<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>    import javax.swing.ImageIcon;<a name="line.9"></a>
<FONT color="green">010</FONT>    <a name="line.10"></a>
<FONT color="green">011</FONT>    import maze.gui.MazePainter;<a name="line.11"></a>
<FONT color="green">012</FONT>    import maze.model.CellSizeModel;<a name="line.12"></a>
<FONT color="green">013</FONT>    <a name="line.13"></a>
<FONT color="green">014</FONT>    /**<a name="line.14"></a>
<FONT color="green">015</FONT>     * @author John Smith<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    public abstract class MazeTemplate<a name="line.17"></a>
<FONT color="green">018</FONT>    {<a name="line.18"></a>
<FONT color="green">019</FONT>       protected ImageIcon mIcon = null;<a name="line.19"></a>
<FONT color="green">020</FONT>       protected String mDesc = "";<a name="line.20"></a>
<FONT color="green">021</FONT>    <a name="line.21"></a>
<FONT color="green">022</FONT>       public abstract TemplatePeg[] getCenterPegs();<a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>       public abstract Point[] getCenterPoints(CellSizeModel size);<a name="line.24"></a>
<FONT color="green">025</FONT>    <a name="line.25"></a>
<FONT color="green">026</FONT>       public abstract void updatePosition(Point p, CellSizeModel size);<a name="line.26"></a>
<FONT color="green">027</FONT>    <a name="line.27"></a>
<FONT color="green">028</FONT>       public abstract void nextOrientation();<a name="line.28"></a>
<FONT color="green">029</FONT>    <a name="line.29"></a>
<FONT color="green">030</FONT>       public abstract void grow();<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>       public abstract void shrink();<a name="line.32"></a>
<FONT color="green">033</FONT>    <a name="line.33"></a>
<FONT color="green">034</FONT>       /**<a name="line.34"></a>
<FONT color="green">035</FONT>        * Draw the maze template on top of the maze view.<a name="line.35"></a>
<FONT color="green">036</FONT>        * @param g What to draw on.<a name="line.36"></a>
<FONT color="green">037</FONT>        * @param csm The model used to give us the sizes of cells, walls, and pegs.<a name="line.37"></a>
<FONT color="green">038</FONT>        * @param painter The maze painter used to do the actual drawing of the pegs<a name="line.38"></a>
<FONT color="green">039</FONT>        *           and wall segments.<a name="line.39"></a>
<FONT color="green">040</FONT>        */<a name="line.40"></a>
<FONT color="green">041</FONT>       public void draw(Graphics2D g, CellSizeModel csm, MazePainter painter)<a name="line.41"></a>
<FONT color="green">042</FONT>       {<a name="line.42"></a>
<FONT color="green">043</FONT>          TemplatePeg[] pegs = this.getCenterPegs();<a name="line.43"></a>
<FONT color="green">044</FONT>          Point[] points = this.getCenterPoints(csm);<a name="line.44"></a>
<FONT color="green">045</FONT>    <a name="line.45"></a>
<FONT color="green">046</FONT>          TreeSet&lt;TemplatePeg&gt; visited = new TreeSet&lt;TemplatePeg&gt;();<a name="line.46"></a>
<FONT color="green">047</FONT>          for (int i = 0; i &lt; points.length; i += 2)<a name="line.47"></a>
<FONT color="green">048</FONT>          {<a name="line.48"></a>
<FONT color="green">049</FONT>             Point origin = new Point(points[i].x - csm.getWallWidth(), points[i].y -<a name="line.49"></a>
<FONT color="green">050</FONT>                                                                        csm.getWallHeightHalf());<a name="line.50"></a>
<FONT color="green">051</FONT>    <a name="line.51"></a>
<FONT color="green">052</FONT>             drawPeg(pegs[i], visited, g, csm, origin, painter);<a name="line.52"></a>
<FONT color="green">053</FONT>          }<a name="line.53"></a>
<FONT color="green">054</FONT>       }<a name="line.54"></a>
<FONT color="green">055</FONT>    <a name="line.55"></a>
<FONT color="green">056</FONT>       public abstract void reset();<a name="line.56"></a>
<FONT color="green">057</FONT>    <a name="line.57"></a>
<FONT color="green">058</FONT>       public ImageIcon getTemplateIcon()<a name="line.58"></a>
<FONT color="green">059</FONT>       {<a name="line.59"></a>
<FONT color="green">060</FONT>          return mIcon;<a name="line.60"></a>
<FONT color="green">061</FONT>       }<a name="line.61"></a>
<FONT color="green">062</FONT>    <a name="line.62"></a>
<FONT color="green">063</FONT>       public String getTemplateDescription()<a name="line.63"></a>
<FONT color="green">064</FONT>       {<a name="line.64"></a>
<FONT color="green">065</FONT>          return mDesc;<a name="line.65"></a>
<FONT color="green">066</FONT>       }<a name="line.66"></a>
<FONT color="green">067</FONT>    <a name="line.67"></a>
<FONT color="green">068</FONT>       /**<a name="line.68"></a>
<FONT color="green">069</FONT>        * Recursive method used to draw pegs and walls.<a name="line.69"></a>
<FONT color="green">070</FONT>        * @param peg Current peg to draw.<a name="line.70"></a>
<FONT color="green">071</FONT>        * @param visited Pegs we have drawn.<a name="line.71"></a>
<FONT color="green">072</FONT>        * @param g What to draw on.<a name="line.72"></a>
<FONT color="green">073</FONT>        * @param size Gives us the size of pegs and walls.<a name="line.73"></a>
<FONT color="green">074</FONT>        * @param origin The current location of what we are drawing.<a name="line.74"></a>
<FONT color="green">075</FONT>        * @param painter Maze painting delegate.<a name="line.75"></a>
<FONT color="green">076</FONT>        */<a name="line.76"></a>
<FONT color="green">077</FONT>       protected void drawPeg(TemplatePeg peg, Set&lt;TemplatePeg&gt; visited, Graphics2D g,<a name="line.77"></a>
<FONT color="green">078</FONT>             CellSizeModel size, Point origin, MazePainter painter)<a name="line.78"></a>
<FONT color="green">079</FONT>       {<a name="line.79"></a>
<FONT color="green">080</FONT>          if (peg == null || visited.contains(peg))<a name="line.80"></a>
<FONT color="green">081</FONT>             return;<a name="line.81"></a>
<FONT color="green">082</FONT>    <a name="line.82"></a>
<FONT color="green">083</FONT>          visited.add(peg);<a name="line.83"></a>
<FONT color="green">084</FONT>    <a name="line.84"></a>
<FONT color="green">085</FONT>          painter.drawPeg(g, new Rectangle(origin.x,<a name="line.85"></a>
<FONT color="green">086</FONT>                                           origin.y,<a name="line.86"></a>
<FONT color="green">087</FONT>                                           size.getWallWidth(),<a name="line.87"></a>
<FONT color="green">088</FONT>                                           size.getWallHeight()));<a name="line.88"></a>
<FONT color="green">089</FONT>    <a name="line.89"></a>
<FONT color="green">090</FONT>          if (peg.top != null)<a name="line.90"></a>
<FONT color="green">091</FONT>          {<a name="line.91"></a>
<FONT color="green">092</FONT>             origin.y -= size.getCellHeightInner();<a name="line.92"></a>
<FONT color="green">093</FONT>             painter.drawWallSet(g, new Rectangle(origin.x,<a name="line.93"></a>
<FONT color="green">094</FONT>                                                  origin.y,<a name="line.94"></a>
<FONT color="green">095</FONT>                                                  size.getWallWidth(),<a name="line.95"></a>
<FONT color="green">096</FONT>                                                  size.getCellHeightInner()));<a name="line.96"></a>
<FONT color="green">097</FONT>             origin.y -= size.getWallHeight();<a name="line.97"></a>
<FONT color="green">098</FONT>             drawPeg(peg.top.mRightTop, visited, g, size, origin, painter);<a name="line.98"></a>
<FONT color="green">099</FONT>             origin.y += size.getCellHeightInner() + size.getWallHeight();<a name="line.99"></a>
<FONT color="green">100</FONT>          }<a name="line.100"></a>
<FONT color="green">101</FONT>    <a name="line.101"></a>
<FONT color="green">102</FONT>          if (peg.bottom != null)<a name="line.102"></a>
<FONT color="green">103</FONT>          {<a name="line.103"></a>
<FONT color="green">104</FONT>             origin.y += size.getCellHeightInner() + size.getWallHeight();<a name="line.104"></a>
<FONT color="green">105</FONT>             drawPeg(peg.bottom.mLeftBottom, visited, g, size, origin, painter);<a name="line.105"></a>
<FONT color="green">106</FONT>             origin.y -= size.getCellHeightInner() + size.getWallHeight();<a name="line.106"></a>
<FONT color="green">107</FONT>          }<a name="line.107"></a>
<FONT color="green">108</FONT>    <a name="line.108"></a>
<FONT color="green">109</FONT>          if (peg.left != null)<a name="line.109"></a>
<FONT color="green">110</FONT>          {<a name="line.110"></a>
<FONT color="green">111</FONT>             origin.x -= size.getCellWidthInner();<a name="line.111"></a>
<FONT color="green">112</FONT>             painter.drawWallSet(g, new Rectangle(origin.x,<a name="line.112"></a>
<FONT color="green">113</FONT>                                                  origin.y,<a name="line.113"></a>
<FONT color="green">114</FONT>                                                  size.getCellWidthInner(),<a name="line.114"></a>
<FONT color="green">115</FONT>                                                  size.getWallHeight()));<a name="line.115"></a>
<FONT color="green">116</FONT>             origin.x -= size.getWallWidth();<a name="line.116"></a>
<FONT color="green">117</FONT>             drawPeg(peg.left.mLeftBottom, visited, g, size, origin, painter);<a name="line.117"></a>
<FONT color="green">118</FONT>             origin.x += size.getCellWidthInner() + size.getWallWidth();<a name="line.118"></a>
<FONT color="green">119</FONT>          }<a name="line.119"></a>
<FONT color="green">120</FONT>    <a name="line.120"></a>
<FONT color="green">121</FONT>          if (peg.right != null)<a name="line.121"></a>
<FONT color="green">122</FONT>          {<a name="line.122"></a>
<FONT color="green">123</FONT>             origin.x += size.getCellWidthInner() + size.getWallWidth();<a name="line.123"></a>
<FONT color="green">124</FONT>             drawPeg(peg.right.mRightTop, visited, g, size, origin, painter);<a name="line.124"></a>
<FONT color="green">125</FONT>             origin.x -= size.getCellWidthInner() + size.getWallWidth();<a name="line.125"></a>
<FONT color="green">126</FONT>          }<a name="line.126"></a>
<FONT color="green">127</FONT>       }<a name="line.127"></a>
<FONT color="green">128</FONT>    }<a name="line.128"></a>




























































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